<template>
  <div class="box">
    <h1>组件间通信3：全局事件总线</h1>
    <Child1 />
    <Child2 />
    <hr/>
    <Child3 />
    <Child4 />
  </div>
</template>

<script setup lang="ts" name="EventBusTest">
  import Child1 from './Child1.vue'
  import Child2 from './Child2.vue'
  import Child3 from './Child3.vue'
  import Child4 from './Child4.vue'
</script>

<style scoped>

</style>
